# WG 1
###### tags: `Spec`
## O-RAN
* Open, interoperable interfaces, RAN virtualization, big data and AI enabled RAN intelligence.
* Max the use of common-off-the-shelf; min proprietary hardware.
## O-RAN Architecture

### Elements Overview
* Near-RT RIC :
```txt
Near Real-time RAN intelligence Controller, a logical function.
1. Enable Near real-time control.
2. Optimization RAN elements and resources.
Tasks: may includes
AI/ ML workflow (model training, interference, updates.)
```
* Non-RT RIC :
```txt
Non Real-time RIC, a logical funtion within SMO.
Derives the content carried acrosss the A1 interface.
```
* O-Cloud :
``` txt
Collection of physical infrastructure nodes that meed O-RAN's requirements to host -->
the relevant O-RAN functions
the supporting software components.
the appropriate management and orchestrartion functions.
```